Compatible wtih HAPF220 Holmes Carbon Air Cleaner Replacement Pre-Filter (2 Pack
Compatible wtih HAPF220 Holmes Carbon Air Cleaner Replacement Pre-Filter (2 Pack) by CFS Compatible carbon filter fits Holmes model HAP222, HAP223, and HAP2234. This activated carbon pre-filter helps remove large particles and reduce common household odors such as cooking odors, tobacco smoke odors, pet odors, musty odors, etc. For best performance, replace pre-filter every 2 to 3 months.